Biotic indicators for ecological state change in Amazonian floodplains

Correa, Sandra Bibiana; van der Sleen, Peter; Siddiqui, Sharmin F.; Bogotá-Gregory, Juan David; Arantes, Caroline C.; Barnett, Adrian A.; Couto, Thiago B. A.; Goulding, Michael; Anderson, Elizabeth P.

doi:10.1093/biosci/biac038

Biotic indicators for ecological state change in Amazonian floodplains

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Correa, Sandra Bibiana, van der Sleen, Peter, Siddiqui, Sharmin F., Bogotá-Gregory, Juan David, Arantes, Caroline C., Barnett, Adrian A., Couto, Thiago B. A., Goulding, Michael and Anderson, Elizabeth P. (2022) Biotic indicators for ecological state change in Amazonian floodplains. Bioscience, 72 (8). pp. 753-768. ISSN 0006-3568

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Abstract

Riverine floodplains are biologically diverse and productive ecosystems. Although tropical floodplains remain relatively conserved and ecologically functional compared to those at higher latitudes, they face accelerated hydropower development, climate change, and deforestation. Alterations to the flood pulse could act synergistically with other drivers of change to promote profound ecological state change at a large spatial scale. State change occurs when an ecosystem reaches a critical threshold or tipping point, which leads to an alternative qualitative state for the ecosystem. Visualizing an alternative state for Amazonian floodplains is not straightforward. Yet, it is critical to recognize that changes to the flood pulse could push tropical floodplain ecosystems over a tipping point with cascading adverse effects on biodiversity and ecosystem services. We characterize the Amazonian flood pulse regime, summarize evidence of flood pulse change, assess potential ecological repercussions, and provide a monitoring framework for tracking flood pulse change and detecting biotic responses.

Item Type:	Article
Uncontrolled Keywords:	aquatic ecosystems,climate change,flooded forest,global change,river,agricultural and biological sciences(all) ,/dk/atira/pure/subjectarea/asjc/1100
Faculty \ School:	Faculty of Science > School of Environmental Sciences
Related URLs:	http://www.scopus.com/inward/record.url?...
Depositing User:	LivePure Connector
Date Deposited:	29 Sep 2025 16:30
Last Modified:	02 Oct 2025 12:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/100547
DOI:	10.1093/biosci/biac038

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